219422990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 433589760

約数和(自身を除く): 214166770

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 67, 115, 134, 145, 230, 290, 335, 491, 667, 670, 982, 1334, 1541, 1943, 2455, 3082, 3335, 3886, 4910, 6670, 7705, 9715, 11293, 14239, 15410, 19430, 22586, 28478, 32897, 44689, 56465, 65794, 71195, 89378, 112930, 142390, 164485, 223445, 327497, 328970, 446890, 654994, 756631, 954013, 1513262, 1637485, 1908026, 3274970, 3783155, 4770065, 7566310, 9540130, 21942299, 43884598, 109711495, 219422990]

約数ペア:

[(1, 219422990), (2, 109711495), (5, 43884598), (10, 21942299), (23, 9540130), (29, 7566310), (46, 4770065), (58, 3783155), (67, 3274970), (115, 1908026), (134, 1637485), (145, 1513262), (230, 954013), (290, 756631), (335, 654994), (491, 446890), (667, 328970), (670, 327497), (982, 223445), (1334, 164485), (1541, 142390), (1943, 112930), (2455, 89378), (3082, 71195), (3335, 65794), (3886, 56465), (4910, 44689), (6670, 32897), (7705, 28478), (9715, 22586), (11293, 19430), (14239, 15410)]